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ee, , 2. A chelating agent has two or more than two donor, atoms to bind to a single metal ion. Which of the, following is not a chelating agent?, , a. Thiosulphato, , b. Oxalato, , c. Glycinato, , d, Ethane-1,2-diamine, , Answer: (a), 3. IUPAC name of [Pt(NH3)2CI(NO>)] is, , a. Platinum diamminechloronitrite, , b. Chloronitrito-N-ammineplatinum (I!), , c. Diamminechloridonitrito-N-platinum (Il), d. Diamminechloronitrito-N-plantinate (II), , Answer: (c), , 4. In the complex [E(en)2(C204)]NO2 (where (en) is, ethylenediamine) are the coordination number, and the oxidation state of the element ‘E' respectively., , , , a. 6 and 2, b. 2 and 2, c.4and3, d.6and3, , Answer: (d), , 5. The sum of coordination number and oxidation, number of the metal M in the complex [M(en)2(C204)]CI, (where (en) is ethylenediamine) is, , a9, b.6, aT, d.8, , Answer: (a), , 6, Some salts containing two different metallic elements, give test for only one of them in solution, such salts are, , a. double salts, b. normal salts, c. complex salts, d. None of these, , Answer: (c)
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Question 1., The coordination number of cobalt in, [Co(en)3]** is, , (a) 3, , (b) 4, , (c) 6, , (d) 2
